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Revised Stellar Temperatures for Magellanic Cloud O Supergiants from<i>Far Ultraviolet Spectroscopic Explorer</i>and Very Large Telescope UV‐Visual Echelle Spectrograph Spectroscopy

Revised Stellar Temperatures for Magellanic Cloud O Supergiants from<i>Far Ultraviolet Spectroscopic Explorer</i>and Very Large Telescope UV‐Visual Echelle Spectrograph Spectroscopy

We have undertaken quantitative analysis of four LMC and SMC O4--9.7 extreme supergiants using far-ultraviolet FUSE, ultraviolet IUE/HSTand optical VLT UVES spectroscopy. Extended, non-LTE model atmospheres that allow for the consistent treatment of line blanketing are used to analyse wind &amp; photospheric spectral features simultaneously. Using Halpha to constrain dM/dt, …